EPON, a PON technology based on Ethernet, adopts point-to-multipoint structure, passive optical fiber transmission, and provides multiple services on Ethernet. EPON technology is standardized by the IEEE802. As a key player in the FTTH (Fiber to the Home) revolution, EPON enables cost-effective, scalable internet access by leveraging passive. PON (Passive Optical Network), as an access network technology, can implement fiber optic to the home, satisfying the high-bandwidth requirement of the "last kilometer" in the access layer network.